Mhm, I don't really understand their target audience, because looking at their videos a fast dune buggy looks like a lot more fun.

The Top Comment on their launch video [0] summarizes it well IMO:

"I can’t wait to sell my house so I can afford this. I have always wanted to go very slow very close to the ground for a very short distance."

[0] https://youtube.com/watch?v=FzhREYOK0oo